Meter Pulse Detection Cards - Panasonic Digital Business System Installation Manual

March 1997

Meter Pulse Detection Cards

Meter pulse detection (MPD) cards are installed one per metered line as daughter boards on the line cards. When
MPD cards are used the -48v power supply (VB3697) must be fitted to power them. If the system consists of more
than one CCU a -48v power supply must be fitted to each CCU where MPD cards are used.
The MPD cards are mounted directly onto the line cards and the -48v power supply unit hooks on below the SLT
ring generator and connects to CN13 at the top left hand end of the MDF.
1 Switch off the DBS and remove the front cover.
2 Withdraw the LINE card and unclip its top cover.
3 Plug the MPD cards into the sockets provided. Ensure that the pins are not damaged when doing this.
4 Replace the LINE card cover and re-install the LINE card.
5 Install the -48v power supply in the left hand side of the CCU and connect to CN13 on the MDF.
6 Replace the system covers and switch the DBS on.
Panasonic Digital Business System - Installation Manual
Figure 25 - Installing Meter Pulse Detection Cards
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